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Pages in this section: D27 D28 (all shown below)
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D27
GC Cryo-Trap
™
Scientific Instrument Services, Inc.
™
FAX: 908-806-6631
www.sisweb.com/catalog/08/D27
Applications
•
Thermal Desorption Sample Trapping
•
Purge and Trap Systems
•
GC Headspace Sample Analysis
•
Multi-dimensional GC applications
•
Improve Chromatographic
resolution of early eluting peaks
Features
•
Cooling Chamber is 4" long
•
For Use in high flow applications
(10-50 ml/min)
•
2 models available
Model 951 for Liquid CO
2
cooling to -70°C
Model 961 for Liquid N
2
cooling to -180°C.
•
Reduction of CO
2
or LN
2
use by 90%
as compared to cooling the entire oven.
•
Dual programmable cryo-cooling and
heating cycles
•
Trap compounds in the GC oven at the head
of the GC column.
•
Remote input connector for cryo-cooling to
heating cycle switching via GC, Desorption
system or manually.
•
Rapid heating up to 400°C at > 400°C per
minute.
•
Remote start output signal for starting GC,
MS or recorder.
•
Custom I.D. sizes available
T
he Cryo-Trap consists of a small heating/cooling cham-
ber which is 3/4" in diameter and 4" long. In the center of
the chamber is a small stainless steel capillary through
which the capillary column freely passes. Capillary columns up to
megabore (0.53mm I.D.) diameters can be used (other I.D.’s are
also available). Around the stainless steel capillary tube a heating
coil is wound to provide for the rapid heating of the capillary tube.
A thermocouple provides accurate measurement of both the cool-
ing and heating temperatures. Either Liquid CO
2
(Model 951) or
Liquid Nitrogen (Model 961) for cooling is introduced into the Cryo-
Trap, and is exhausted through the outlet which can either be vent-
ed into the GC or a tube can be attached to vent external to the
GC oven.
The control of the Cryo-Trap is provided via an independent
Cryo-Trap Controller provided with the System. Both the Cryo-
Cooling and heating temperatures are set via this digital tempera-
ture controller. The system can be used either manually to swit
between cooling and heating or can be operated automatically via
an input signal from a controlling device.
For additional applications request the FREE Application Notes available from S.I.S. (908) 788 - 5550
New Programmable Cryo-cooling and Heating Trap for the Cryo-Focusing of
Volatiles and Semi-Volatiles at the Head of GC Capillary Columns.
GC Septa
GC Injection Port
GC Injection
Port Liner
Vespel Insulator
Injection Port Clamp
Injection Port Nut
Heater Coil
Thermocouple
Cooling Gas IN
Cooling Chamber
Capillary Column
Cryo-Trap Heating and Cooling Controller
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GC Cryo-Trap
™
D28
Scientific Instrument Services, Inc.
™
Phone: 908-788-5550
www.sisweb.com/catalog/08/D28
Custom Manufactured Cryo-Traps
Part # 951161 Part #951161--Click to order
Current Price: $4300.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
- Model 951 GC Cryo-Trap for use with 1/16" I.D.
center tube for use with liquid C02
. . . . .
Part # 951081 Part #951081--Click to order
Current Price: $4300.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
- Model 951 GC Cryo-Trap for use with 1/8" I.D.
center tube for use with liquid C02
. . . . .
Part # 961161 Part #961161--Click to order
Current Price: $4300.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
- Model 961 GC Cryo-Trap for use with 1/16" I.D.
center tube for use with liquid LN2
. . . . .
Part # 961081 Part #961081--Click to order
Current Price: $4300.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
- Model 961 GC Cryo-Trap for use with 1/8" I.D.
center tube for use with liquid LN2
. . . . .
Note: Custom mounts and other modifications are extra.
Cryo-Trap Controller
GC Injection Port
Megabore Guard Column
Cooling Gas
GC Oven
Capillary Union
GC Capillary
Column
Depending on the make and model of your GC, an installation
kit must be ordered separately as described below. First you must
decide which model of Cryo-Trap is required for your application;
the Model 951 for use with C0
2
, or the Model 961 for use with
liquid Nitrogen. Neither the GC Cryo-Trap or its related electronics
are interchangeable between the two cooling gases. You must
then select which installation kit is required based on the make
and model of your gas chromatograph. Either of the two Cryo-Trap
models use the same installation kit listed below.
Custom I.D. Manufactured Cryo-Traps
O
ur standard GC Cryo-Trap can handle up to megabore
capillary columns (1.0mm O.D.). In response to
specific customer requests for larger trapping
capabilities, we have designed and produced Cryo-Traps that can
handle either 1/16" O.D. tubes or 1/8" O.D. tubes. To
accommodate these size tubes, the inside capillary tube in the
cryo-trap is manufactured with either 1/16" I.D. or 1/8" I.D.
stainless steel capillary tube. These traps can be used either
inside or outside the GC oven depending on the users
requirements. These larger I.D. traps have been used by several
users for high flow applications and trapping of analytes outside
the GC oven. Call SIS with your specific requirements or for
custom mounts or other modifications.
Custom GC Cryo-Trap - Ordering
GC Cryo-Trap
T
wo models of the GC Cryo-Trap are now available. The
Model 951 is designed for liquid CO
2
for cryo-trapping
temperatures down to -70°C. The Model 981 is designed
for Liquid Nitrogen for cryo-trapping temperatures down to -180°C.
Each model can maintain any cooling temperature within ±3°C from
its minimum temperature up to room temperature. In order to release
the trapped volatiles from the GC Cryo-Traps, both models can heat
the GC Cryo-Trap at temperatures up to 400°C at a heating ramp rate
in excess of 800°/minute. Most users prefer to use the CO
2
version of
the GC Cryo-Trap (Model 951) due to the ease of handling liquid CO
2
and for applications where -70°C is an acceptable lower temperature
limit.
If lower temperatures are required, then the liquid nitrogen
version of the GC Cryo-Trap (Model 961) must be used. The liquid
nitrogen delivery lines are larger than the CO
2
lines and the liquid
nitrogen lines should be insulated. This makes installation somewhat
more cumbersome. In addition the Liquid Nitrogen version uses more
cooling gas and is slightly more audible.
Model 951 GC Cryo-Trap for use with Liquid C02
The Model 951 GC Cryo-Trap is designed for use with liquid CO2 tanks
with a DIP tube. The minimum temperature of cooling is -70°C. This model
comes with the GC Cryo-Trap, the dual temperature cables and stainless
steel connecting line.
*Order installation kit below.
Part # 951110 Part #951110--Click to order
Current Price: $3680.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
*
- Model 951 GC Cryo-Trap for use with liquid C02,
Electronics Controller, C02 valve, connecting cables, and stainless steel
connecting line
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 961 GC Cryo-Trap for use with Liquid Nitrogen
The Model 961 GC Cryo-Trap is designed for use with liquid nitrogen
tanks (low pressure). The minimum temperature of cooling is -180°C. This
model comes with the GC Cryo-Trap, the dual temperature cables and cop-
per connecting line.
*Order installation kit below.
Part # 961110 Part #961110--Click to order
Current Price: $3680.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
*
- Model 961 GC Cryo-Trap for use with liquid LN2,
Electronics Controller, LN2 valve, connecting cables, and copper connecting
lines
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cryo-Trap Installation Packages
Depending on the make and model of Gas Chromatograph one of the
installation packages must be ordered for the installation of the GC Cryo-
Trap.The Cryo-Trap installation kits include the relays, mounting hardware,
cables and other parts required to mount the Cryo-Trap into the particular
model of gas chromatograph.
900110 Part #900110--Click to order
Current Price: $290.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Quantity in Stock=1
Cryo-Trap Install Kit for HP 5890A
. . . . . . . . . . . . . .
900111 Part #900111--Click to order
Current Price: $230.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
Cryo-Trap Install Kit for HP5890 Series I & II
. . . . . .
900112 Part #900112--Click to order
Current Price: $89.50
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
Cryo-Trap Install Kit for HP 6890
. . . . . . . . . . . . . . .
900120 Part #900120--Click to order
Current Price: $116.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
Cryo-Trap Install Kit for Varian 3400/3600/3700
with 1075 Split/Splitless Injector
with 1040 Megabore Injector
with 1041 Universal Injector
with 1077 Split/Splitless Capillary Injector
. . . . .
900121 Part #900121--Click to order
Current Price: $116.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
Install Kit for Varian 3600 w/ 1078 Injector
. . . . . . . .
900122 Part #900122--Click to order
Current Price: $165.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Quantity in Stock=1
Install Kit for Varian 3800
. . . . . . . . . . . . . . . . . . . . .
900130 Part #900130--Click to order
Current Price: $118.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
Cryo-Trap Install Kit for Shimadzu GC-9A
. . . . . . . . .
900140 Part #900140--Click to order
Current Price: $118.00
Unit of Measure: EA
Est. Ship Weight=1 lbs
Not in stock. Standard lead time for out-of-stock items is approximately two weeks.
Install Kit for Thermo Finnigan GCQ
. . . . . . . . . . . . .
GC Cryo-Trap - Ordering
Related information may be found on the following pages of our web site:
PageParts
GC Cryo-Trap Ordering Information900110, 900111, 900112, 900120, 900121, 900122, 900130, 900140
GCCryo-Trap Ordering Information900110, 900111, 900112, 900120, 900121, 900130
GC Cryo-Trap Ordering Information900110, 900111, 900112, 900120, 900121, 900122, 900130, 900140, 951110, 961110
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